A: Not officially supported. Some users succeed with virtual machines (VMware, VirtualBox) running Windows XP.
The License Manager (FlexLM) used in 2009 is incompatible with modern server OS. You must use standalone activation. AutoCAD Plant 3D 2009 Download
Limitations:
Autodesk does not sell licenses for 2009 anymore. Any "free download" link is almost certainly pirated software. Using unlicensed software for commercial projects can result in fines from the BSA (Business Software Alliance) and legal action from Autodesk. A: Not officially supported
